This application discloses a reference signal configuration method and apparatus. Before a network device sends reference signals aperiodically, the network device sends configuration information to a terminal device, where the configuration information is used to indicate a timeslot offset of one or more reference signal resource sets. Therefore, the network device can flexibly send reference signals in different timeslots, thereby reducing a quantity of times of reference signal triggering and measurement result reporting, and improving efficiency of a communications system.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A reference signal configuration method, comprising: determining, by a network device, configuration information indicating a timeslot offset of a reference signal resource set, wherein the reference signal resource set comprises at least one reference signal resource, and the reference signal resource indicates configuration of a reference signal, the reference signal is an aperiodic channel state information-reference signal (CSI-RS), a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, the reference timeslot is a timeslot in which a trigger indication sent by the network device is located, and the trigger indication is used to trigger a terminal device to perform following: receiving the reference signal and reporting a measurement result, wherein the trigger indication is received prior to receiving the reference signal and reporting the measurement result; and sending, by the network device, the configuration information to the terminal device, wherein the configuration information is included in a reference signal resource set configuration of higher layer signaling; sending, by the network device, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set.
2. The method according to claim 1 , wherein a maximum value of a timeslot offset of each reference signal resource set is not greater than a reporting capability value of the terminal device.
This invention relates to wireless communication systems, specifically optimizing reference signal resource allocation to avoid exceeding a terminal device's reporting capability. The problem addressed is ensuring that the time offset between reference signal transmissions and their corresponding measurements does not exceed the terminal's ability to process and report the results accurately. The solution involves dynamically adjusting the maximum allowable time offset for each reference signal resource set based on the terminal's reported capability. This prevents overloading the terminal with excessive processing demands while maintaining reliable signal measurements. The method ensures that the time offset for each reference signal resource set does not exceed the terminal's specified reporting capability value, thereby optimizing performance and avoiding data loss or errors. The approach is particularly useful in advanced wireless networks where multiple reference signals are used for channel state information (CSI) reporting, and precise timing is critical for accurate measurements. By aligning the time offset constraints with the terminal's capabilities, the system ensures efficient and reliable communication.
3. The method according to claim 1 , wherein before the sending, by the network device, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set, the method further comprises: sending, by the network device, the trigger indication to the terminal device.
In wireless communication systems, efficient reference signal transmission is critical for channel state information (CSI) acquisition, enabling reliable data transmission. A challenge arises in coordinating reference signal transmission between network devices and terminal devices to ensure accurate channel estimation without unnecessary overhead. This invention addresses the problem by introducing a method where a network device sends a trigger indication to a terminal device before transmitting a reference signal on a preconfigured time-frequency resource. The reference signal is selected from a predefined reference signal resource set, which may include multiple candidate signals. The trigger indication informs the terminal device when to expect the reference signal, allowing the terminal device to prepare for reception and measurement. This synchronization reduces latency and improves CSI accuracy by ensuring the terminal device is actively monitoring the correct time-frequency resource. The method enhances spectral efficiency by avoiding blind transmissions and optimizing resource utilization. The network device configures the reference signal resource set and the time-frequency resource in advance, while the trigger indication dynamically activates the transmission. This approach is particularly useful in scenarios requiring adaptive reference signal transmission, such as beamforming or mobility management, where timely and accurate channel feedback is essential.
4. The method according to claim 3 , further comprising: receiving, by the network device, the measurement result from the terminal device, wherein the measurement result is obtained by the terminal device by measuring the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically improving signal measurement and reporting in networks. The problem addressed is the need for efficient and accurate measurement of reference signals by terminal devices to support functions like mobility management, beam selection, and channel state information reporting. Existing methods may suffer from inefficiencies in signal measurement or reporting, leading to suboptimal performance. The invention describes a method for a network device to configure a terminal device with a reference signal resource set, which includes one or more reference signal resources. The terminal device measures the reference signals indicated by this set and generates a measurement result. The network device then receives this measurement result from the terminal device. The reference signal resource set may be configured based on specific criteria, such as the type of reference signal (e.g., channel state information reference signal, synchronization signal block, or tracking reference signal) or the purpose of the measurement (e.g., mobility, beam management, or channel state reporting). The terminal device may perform measurements on the configured resources and report the results to the network device, enabling the network to make informed decisions for resource allocation, beam management, or mobility procedures. The method ensures that the terminal device only measures relevant reference signals, improving efficiency and accuracy in wireless communication systems.
5. A non-transitory computer readable storage medium, wherein the computer readable storage medium stores a computer program or instruction, and when the computer program or instruction is executed on a computer, the following operations are performed: determining, configuration information indicating a timeslot offset of a reference signal resource set, wherein the reference signal resource set comprises at least one reference signal resource, and the reference signal resource indicates configuration of a reference signal, the reference signal is an aperiodic channel state information-reference signal (CSI-RS), a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, the reference timeslot is a timeslot in which a trigger indication sent by a network device is located, and the trigger indication is used to trigger a terminal device to perform following: receiving the reference signal and reporting a measurement result, wherein the trigger indication is received prior to receiving the reference signal and reporting a measurement result; and sending, the configuration information to the terminal device, wherein the configuration information is included in a reference signal resource set configuration of higher layer signaling; sending, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically to the configuration and transmission of aperiodic channel state information-reference signals (CSI-RS) in a network. The problem addressed is the efficient scheduling and transmission of aperiodic CSI-RS to a terminal device, ensuring proper synchronization between the network device and the terminal device for accurate channel state measurements. The invention involves a computer-readable storage medium storing a program that, when executed, performs operations for configuring and transmitting aperiodic CSI-RS. The program determines configuration information for a reference signal resource set, which includes at least one reference signal resource. The configuration information specifies a timeslot offset for the reference signal resource set, where the offset is measured in timeslots and represents the delay between the timeslot containing the reference signal resource set and a reference timeslot. The reference timeslot is the timeslot in which a trigger indication from the network device is received, which instructs the terminal device to receive the reference signal and report a measurement result. The trigger indication is sent before the reference signal transmission to allow the terminal device to prepare for measurement. The configuration information is included in higher-layer signaling and sent to the terminal device. The network device then transmits the reference signal on the time-frequency resources indicated by the configuration information. This ensures that the terminal device can accurately receive and measure the aperiodic CSI-RS based on the provided configuration, improving channel state reporting efficiency and reliability.
6. The medium according to claim 5 , wherein a maximum value of a timeslot offset of each reference signal resource set is not greater than a reporting capability value of the terminal device.
This invention relates to wireless communication systems, specifically optimizing the configuration of reference signal resource sets to avoid exceeding a terminal device's reporting capability. The problem addressed is ensuring that the time offset between reference signal transmissions does not overwhelm the terminal device's ability to process and report measurements, which could lead to performance degradation or communication failures. The invention involves a computer-readable medium storing instructions that, when executed, configure a network device to manage reference signal resource sets. Each resource set includes multiple reference signals transmitted in different time slots. The key improvement is that the maximum time offset between these slots is constrained to not exceed a predefined reporting capability value of the terminal device. This ensures the terminal device can handle the measurement and reporting workload without exceeding its processing limits. The solution also involves dynamically adjusting the time offset based on the terminal device's reported capabilities, which may vary depending on factors like device type, network conditions, or user requirements. By enforcing this constraint, the system prevents overloading the terminal device while maintaining reliable communication performance. This approach is particularly useful in advanced wireless networks where multiple reference signals are used for tasks like channel estimation, beam management, and mobility measurements.
7. The medium according to claim 5 , wherein before the sending, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set, the operations further comprise: sending, the trigger indication to the terminal device.
This invention relates to wireless communication systems, specifically to methods for transmitting reference signals in a network. The problem addressed is efficient and reliable communication of reference signals between a network device and a terminal device, ensuring proper synchronization and channel estimation. The invention involves a computer-readable medium storing instructions that, when executed, cause a network device to perform operations for transmitting reference signals. The network device configures a reference signal resource set for a terminal device, where the resource set includes multiple reference signal resources. The network device then sends configuration information to the terminal device, specifying the time-frequency resources allocated for the reference signal transmission. Before sending the reference signal on the allocated resources, the network device transmits a trigger indication to the terminal device. This trigger indication prompts the terminal device to prepare for receiving the reference signal, improving synchronization and reducing errors in channel estimation. The reference signal is then transmitted on the specified time-frequency resources, allowing the terminal device to accurately measure the channel conditions and adjust its communication parameters accordingly. This method enhances the reliability and efficiency of wireless communication by ensuring timely and accurate reference signal transmission.
8. The medium according to claim 7 , wherein the operations further comprise receiving, the measurement result from the terminal device, wherein the measurement result is obtained by the terminal device by measuring the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically improving measurement accuracy in scenarios where a terminal device (e.g., a user equipment) measures reference signals transmitted by a network. The problem addressed is ensuring reliable signal measurements in environments with interference or signal degradation, which can lead to inaccurate channel state information and degraded communication performance. The invention involves a non-transitory computer-readable medium storing instructions that, when executed, cause a network device to perform operations. These operations include transmitting a reference signal resource set to a terminal device, where the resource set defines one or more reference signals for the terminal device to measure. The terminal device then measures the indicated reference signals and sends the measurement results back to the network device. The network device processes these results to improve communication quality, such as optimizing beamforming, handover decisions, or resource allocation. The reference signal resource set may include configuration parameters like signal type, transmission periodicity, or spatial parameters, allowing the network to adapt measurements to varying conditions. The terminal device's measurement results are used to assess channel quality, interference levels, or signal strength, enabling the network to dynamically adjust transmission strategies. This approach enhances measurement reliability and supports efficient resource management in wireless networks.
9. A computer program product, wherein the computer program product comprises an instruction, and when the computer program product runs on a computer, the computer performs the following operations: determining, configuration information indicating a timeslot offset of a reference signal resource set, wherein the reference signal resource set comprises at least one reference signal resource, and the reference signal resource indicates configuration of a reference signal, the reference signal is an aperiodic channel state information-reference signal (CSI-RS), a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, the reference timeslot is a timeslot in which a trigger indication sent by a network device is located, and the trigger indication is used to trigger a terminal device to perform following: receiving the reference signal and reporting a measurement result, wherein the trigger indication is received prior to receiving the reference signal and reporting a measurement result; and sending, the configuration information to the terminal device, wherein the configuration information is included in a reference signal resource set configuration of higher layer signaling; sending, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically the configuration and transmission of aperiodic channel state information-reference signals (CSI-RS) in a network. The problem addressed is the efficient scheduling and transmission of aperiodic CSI-RS to terminal devices, ensuring proper timing alignment between the trigger indication from the network and the actual reference signal transmission. The invention involves a computer program product that, when executed, performs operations to configure and transmit aperiodic CSI-RS. The program determines configuration information for a reference signal resource set, which includes at least one reference signal resource. The configuration specifies a timeslot offset, measured in timeslots, between the timeslot containing the reference signal resource set and a reference timeslot where the network device sends a trigger indication. The trigger indication instructs the terminal device to receive the reference signal and report a measurement result. The configuration information is sent to the terminal device via higher-layer signaling, and the reference signal is transmitted on the time-frequency resources indicated by the configuration. This ensures the terminal device can properly receive and measure the aperiodic CSI-RS based on the trigger, improving channel state feedback accuracy and system performance.
10. The computer program product according to claim 9 , wherein a maximum value of a timeslot offset of each reference signal resource set is not greater than a reporting capability value of the terminal device.
A computer program product for a wireless communication terminal device. The program product is stored on a non-transitory computer-readable medium and comprises instructions that, when executed by a processor, cause the terminal device to manage reference signal resource sets. Specifically, the instructions control the terminal device to configure a maximum allowable timeslot offset for each reference signal resource set. This maximum timeslot offset is constrained by a reporting capability value inherent to the terminal device. The reporting capability value defines the maximum extent to which the terminal device can report information, including timing information related to reference signals. By limiting the timeslot offset of reference signal resource sets to this reported capability, the system ensures that the terminal device can effectively manage and report on these signals without exceeding its operational limitations. This addresses the problem of efficient and reliable reference signal management within the constraints of terminal device capabilities in wireless communication systems.
11. The computer program product according to claim 9 , wherein before the sending, on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set, the operations further comprise: sending, the trigger indication to the terminal device.
This invention relates to wireless communication systems, specifically to methods for transmitting reference signals in a network where a base station communicates with terminal devices. The problem addressed is the efficient and reliable transmission of reference signals to enable accurate channel estimation and synchronization in dynamic wireless environments. The invention describes a computer program product that includes instructions for configuring a base station to send a trigger indication to a terminal device before transmitting a reference signal. The reference signal is selected from a predefined reference signal resource set and is sent on a time-frequency resource indicated by configuration information. The trigger indication informs the terminal device when to expect the reference signal, improving synchronization and reducing unnecessary processing. The base station may also receive feedback from the terminal device regarding the received reference signal, allowing for adaptive adjustments to future transmissions. This method enhances the efficiency and reliability of reference signal transmission in wireless communication systems, particularly in scenarios with varying channel conditions or multiple terminal devices.
12. The computer program product according to claim 11 , wherein the operations further comprise receiving, the measurement result from the terminal device, wherein the measurement result is obtained by the terminal device by measuring the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically improving the accuracy and efficiency of reference signal measurements in cellular networks. The problem addressed is the need for precise and reliable measurement of reference signals by terminal devices to support functions like mobility management, beam selection, and channel state information reporting. Traditional methods may suffer from inefficiencies due to redundant measurements or suboptimal resource allocation. The invention provides a computer program product for managing reference signal measurements in a wireless network. It includes operations for configuring a terminal device with a reference signal resource set, which defines the specific reference signals to be measured. The terminal device then measures these signals and reports the results back to the network. The network uses these measurements to optimize communication parameters, such as beamforming or handover decisions. The invention ensures that only relevant reference signals are measured, reducing overhead and improving measurement accuracy. The terminal device may be configured to measure signals from multiple transmission points or beams, enabling better coverage and performance in complex network environments. The reported measurement results are used to adjust network configurations dynamically, enhancing overall system efficiency. This approach minimizes unnecessary signaling and computational overhead while improving the reliability of reference signal-based operations.
13. A network device, comprising: a memory; a processor, configured to: determine configuration information indicating a timeslot offset of a reference signal resource set, wherein the reference signal resource set comprises at least one reference signal resource, and the reference signal resource indicates configuration of a reference signal, the reference signal is an aperiodic channel state information-reference signal (CSI-RS), a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, the reference timeslot is a timeslot in which a trigger indication sent by the network device is located, and the trigger indication is used to trigger a terminal device to perform following: receiving the reference signal and reporting a measurement result, wherein the trigger indication is received prior to receiving the reference signal and reporting a measurement result; and send the configuration information to the terminal device, wherein the configuration information is included in a reference signal resource set configuration of higher layer signaling; send on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set.
This invention relates to wireless communication systems, specifically improving the configuration and transmission of aperiodic channel state information-reference signals (CSI-RS) in network devices. The problem addressed is the efficient scheduling and transmission of aperiodic CSI-RS to terminal devices, ensuring proper synchronization and measurement reporting. The network device includes a memory and a processor. The processor determines configuration information for a reference signal resource set, which contains at least one reference signal resource. Each resource specifies the configuration of an aperiodic CSI-RS. The configuration information includes a timeslot offset, measured in timeslots, which defines the offset between the timeslot of the reference signal resource set and a reference timeslot. The reference timeslot is the timeslot in which a trigger indication, sent by the network device, is located. This trigger indication instructs the terminal device to receive the reference signal and report a measurement result. The trigger is received before the reference signal transmission and measurement reporting. The network device sends this configuration information to the terminal device via higher layer signaling, specifically within a reference signal resource set configuration. The device then transmits the reference signal on the time-frequency resource indicated by the configuration. This ensures synchronized transmission and measurement, improving communication efficiency and accuracy.
14. The network device according to claim 13 , wherein a maximum value of a timeslot offset of each reference signal resource set is not greater than a reporting capability value of the terminal device.
A network device in a wireless communication system manages reference signal resource sets for terminal devices. The system addresses the challenge of efficiently configuring and reporting reference signal measurements while ensuring compatibility with terminal device capabilities. The network device determines a timeslot offset for each reference signal resource set, where the maximum timeslot offset value is constrained by the terminal device's reporting capability. This ensures that the terminal device can accurately and reliably report measurements without exceeding its processing or reporting limits. The reference signal resource sets are configured to support channel state information (CSI) reporting, allowing the terminal device to measure and report channel conditions for downlink transmissions. The network device dynamically adjusts the timeslot offsets based on the terminal device's reported capabilities, optimizing resource allocation and measurement accuracy. This approach enhances system performance by balancing measurement granularity with terminal device constraints, ensuring efficient use of network resources while maintaining reliable communication. The solution is particularly relevant in advanced wireless systems where precise channel state information is critical for adaptive transmission techniques.
15. The network device according to claim 13 , wherein the processor is further configured to send the trigger indication to the terminal device before sending on a time-frequency resource indicated by the configuration information, the reference signal indicated by the reference signal resource set.
A network device in a wireless communication system is configured to manage reference signal transmission for terminal devices. The device includes a processor that generates configuration information specifying a reference signal resource set, where each resource in the set is associated with a time-frequency resource for transmitting a reference signal. The processor also sends a trigger indication to a terminal device before the network device transmits the reference signal on the designated time-frequency resource. This trigger indication alerts the terminal device to expect the reference signal, allowing it to prepare for reception and measurement. The configuration information may include parameters such as the number of reference signal resources, the time-frequency location of each resource, and the sequence used for the reference signal. The trigger indication ensures synchronization between the network device and the terminal device, improving the reliability of reference signal-based measurements, such as channel state information or beam management. This mechanism is particularly useful in scenarios where dynamic reference signal transmission is required, such as in beamforming or mobility management. The network device may be a base station or other infrastructure component in a cellular network.
16. The network device according to claim 15 , wherein the processor is further configured to receive the measurement result from the terminal device, wherein the measurement result is obtained by the terminal device by measuring the reference signal indicated by the reference signal resource set.
A network device in a wireless communication system is configured to manage reference signal measurements for terminal devices. The device includes a processor that transmits a reference signal resource set to a terminal device, where the resource set specifies one or more reference signals for the terminal device to measure. The processor then receives a measurement result from the terminal device, which is derived from the terminal device's measurement of the indicated reference signals. This allows the network device to assess signal quality, optimize resource allocation, or support mobility management. The reference signal resource set may include parameters such as signal type, transmission periodicity, or spatial configuration, enabling flexible and efficient measurement procedures. The terminal device performs the measurements and reports the results, enabling the network device to make informed decisions for network operations. This approach improves signal reliability and network performance by dynamically adapting to changing channel conditions.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
February 26, 2020
April 12, 2022
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.